var arr = [1, 2, 3];
console.log(arr);
var Gender;
(function (Gender) {
    Gender[Gender["m"] = 0] = "m";
    Gender[Gender["f"] = 1] = "f";
})(Gender || (Gender = {}));
;
var gender = Gender.m;
switch (gender) { // 这种写法就不需要default了，比较省代码
    case Gender.m:
        console.log('男');
        break;
}
